
<template>
  <div class="todo-header">
    <input type="text" placeholder="请输入你的任务名称，按回车键确认" v-model="title" @keyup.enter="addTodo" />
  </div>
</template>

<script>
export default {
  name: 'UserHeader',
  data() {
    return {
      title: '',
    }
  },
  methods: {
    addTodo() {
      if (this.title.trim() === '') {
        return
      }
      let task = {
        id: Date.now(),
        title: this.title,
        done: false
      }
      this.reverseTodo(task)
      this.title = ''
    }
  },
  props: {
    reverseTodo: {
      type: Function,
      default() {
        return function () {
        }
      }
    }
  }
}
</script>


<style scoped>
/*header*/
.todo-header input {
  width: 560px;
  height: 28px;
  font-size: 14px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 4px 7px;
}

.todo-header input:focus {
  outline: none;
  border-color: rgba(82, 168, 236, 0.8);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
}
</style>